161 lines
3.8 KiB
C
161 lines
3.8 KiB
C
#ifndef QEMU_HW_XEN_COMMON_H
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#define QEMU_HW_XEN_COMMON_H 1
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#include "config-host.h"
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#include <stddef.h>
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#include <inttypes.h>
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#include <xenctrl.h>
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
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# include <xs.h>
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#else
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# include <xenstore.h>
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#endif
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#include <xen/io/xenbus.h>
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#include "hw.h"
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#include "xen.h"
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#include "qemu/queue.h"
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/*
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* We don't support Xen prior to 3.3.0.
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*/
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/* Xen before 4.0 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 400
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static inline void *xc_map_foreign_bulk(int xc_handle, uint32_t dom, int prot,
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xen_pfn_t *arr, int *err,
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unsigned int num)
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{
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return xc_map_foreign_batch(xc_handle, dom, prot, arr, num);
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}
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#endif
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/* Xen before 4.1 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 410
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typedef int XenXC;
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typedef int XenEvtchn;
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typedef int XenGnttab;
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# define XC_INTERFACE_FMT "%i"
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# define XC_HANDLER_INITIAL_VALUE -1
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static inline XenEvtchn xen_xc_evtchn_open(void *logger,
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unsigned int open_flags)
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{
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return xc_evtchn_open();
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}
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static inline XenGnttab xen_xc_gnttab_open(void *logger,
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unsigned int open_flags)
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{
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return xc_gnttab_open();
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}
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static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
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unsigned int open_flags)
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{
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return xc_interface_open();
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}
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static inline int xc_fd(int xen_xc)
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{
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return xen_xc;
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}
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static inline int xc_domain_populate_physmap_exact
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(XenXC xc_handle, uint32_t domid, unsigned long nr_extents,
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unsigned int extent_order, unsigned int mem_flags, xen_pfn_t *extent_start)
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{
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return xc_domain_memory_populate_physmap
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(xc_handle, domid, nr_extents, extent_order, mem_flags, extent_start);
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}
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static inline int xc_domain_add_to_physmap(int xc_handle, uint32_t domid,
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unsigned int space, unsigned long idx,
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xen_pfn_t gpfn)
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{
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struct xen_add_to_physmap xatp = {
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.domid = domid,
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.space = space,
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.idx = idx,
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.gpfn = gpfn,
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};
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return xc_memory_op(xc_handle, XENMEM_add_to_physmap, &xatp);
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}
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static inline struct xs_handle *xs_open(unsigned long flags)
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{
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return xs_daemon_open();
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}
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static inline void xs_close(struct xs_handle *xsh)
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{
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if (xsh != NULL) {
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xs_daemon_close(xsh);
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}
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}
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/* Xen 4.1 */
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#else
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typedef xc_interface *XenXC;
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typedef xc_evtchn *XenEvtchn;
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typedef xc_gnttab *XenGnttab;
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# define XC_INTERFACE_FMT "%p"
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# define XC_HANDLER_INITIAL_VALUE NULL
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static inline XenEvtchn xen_xc_evtchn_open(void *logger,
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unsigned int open_flags)
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{
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return xc_evtchn_open(logger, open_flags);
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}
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static inline XenGnttab xen_xc_gnttab_open(void *logger,
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unsigned int open_flags)
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{
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return xc_gnttab_open(logger, open_flags);
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}
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static inline XenXC xen_xc_interface_open(void *logger, void *dombuild_logger,
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unsigned int open_flags)
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{
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return xc_interface_open(logger, dombuild_logger, open_flags);
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}
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/* FIXME There is now way to have the xen fd */
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static inline int xc_fd(xc_interface *xen_xc)
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{
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return -1;
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}
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#endif
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/* Xen before 4.2 */
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#if CONFIG_XEN_CTRL_INTERFACE_VERSION < 420
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static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
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uint64_t addr, uint32_t data)
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{
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return -ENOSYS;
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}
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#else
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static inline int xen_xc_hvm_inject_msi(XenXC xen_xc, domid_t dom,
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uint64_t addr, uint32_t data)
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{
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return xc_hvm_inject_msi(xen_xc, dom, addr, data);
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}
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#endif
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void destroy_hvm_domain(bool reboot);
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/* shutdown/destroy current domain because of an error */
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void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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#endif /* QEMU_HW_XEN_COMMON_H */
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